CN101010921B - 接收信号中的直流偏移的估计方法和装置 - Google Patents

接收信号中的直流偏移的估计方法和装置 Download PDF

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Publication number
CN101010921B
CN101010921B CN2005800293285A CN200580029328A CN101010921B CN 101010921 B CN101010921 B CN 101010921B CN 2005800293285 A CN2005800293285 A CN 2005800293285A CN 200580029328 A CN200580029328 A CN 200580029328A CN 101010921 B CN101010921 B CN 101010921B
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China
Prior art keywords
received signal
signal
burst
training sequence
signal burst
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN2005800293285A
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English (en)
Chinese (zh)
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CN101010921A (zh
Inventor
M·塞戈维亚-马丁内斯
N·法特米高米
C·瓦拉东
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MStar Software R&D Shenzhen Ltd
MStar France SAS
MStar Semiconductor Inc Cayman Islands
MStar Semiconductor Inc Taiwan
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Publication of CN101010921A publication Critical patent/CN101010921A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
CN2005800293285A 2004-09-02 2005-08-15 接收信号中的直流偏移的估计方法和装置 Expired - Fee Related CN101010921B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0419487.4A GB0419487D0 (en) 2004-09-02 2004-09-02 DC estimation in received signals
GB0419487.4 2004-09-02
PCT/GB2005/003203 WO2006024817A1 (en) 2004-09-02 2005-08-15 Dc offsett estimation in received signals

Publications (2)

Publication Number Publication Date
CN101010921A CN101010921A (zh) 2007-08-01
CN101010921B true CN101010921B (zh) 2012-03-21

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CN2005800293285A Expired - Fee Related CN101010921B (zh) 2004-09-02 2005-08-15 接收信号中的直流偏移的估计方法和装置

Country Status (7)

Country Link
US (1) US8139627B2 (ko)
EP (1) EP1784960A1 (ko)
KR (1) KR101004988B1 (ko)
CN (1) CN101010921B (ko)
GB (1) GB0419487D0 (ko)
TW (1) TWI321933B (ko)
WO (1) WO2006024817A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8565351B2 (en) 2011-04-28 2013-10-22 Mediatek Singapore Pte. Ltd. Channel impulse response (CIR)/DC offset (DCO) joint estimation block and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1385018A (zh) * 1999-10-29 2002-12-11 艾利森电话股份有限公司 使用两级直流偏移校正、同步和信道估计的无线接收机
CN1433619A (zh) * 1999-07-02 2003-07-30 艾利森电话股份有限公司 带有直流偏移补偿的均衡

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287620B (en) 1994-03-10 1998-12-16 Roke Manor Research A digital cellular mobile radio receiver
US5684827A (en) * 1995-10-04 1997-11-04 Zenith Electronics Corporation System for controlling the operating mode of an adaptive equalizer
US6504884B1 (en) * 1999-05-12 2003-01-07 Analog Devices, Inc. Method for correcting DC offsets in a receiver
EP1224781A1 (en) * 1999-10-27 2002-07-24 Nokia Corporation Dc offset correction in a mobile communication system
KR100708070B1 (ko) * 2000-01-10 2007-04-17 삼성전자주식회사 데이터 검출기에서 사용되는 결정 레벨을 조정하여 검출성능을 높이는 데이터 재생 장치 및 방법
GB2370469B (en) 2000-09-07 2004-10-27 Nec Corp Improvements in CDMA receivers
US7349469B1 (en) * 2001-08-17 2008-03-25 Ati Research, Inc. DC offset correction for constant modulus equalization
GB0123290D0 (en) 2001-09-27 2001-11-21 Nokia Corp DC offset correction in a mobile communication system
EP1337083A1 (en) 2002-02-13 2003-08-20 Agere Systems Limited DC offset and channel impulse response estimation
US7349495B2 (en) * 2003-09-25 2008-03-25 Intel Corporation Soft bits normalization apparatus, method, and system
US7266160B2 (en) * 2003-10-20 2007-09-04 Analog Devices, Inc. Method for joint DC offset correction and channel coefficient estimation in a receiver
JP4773294B2 (ja) * 2006-07-14 2011-09-14 ルネサスエレクトロニクス株式会社 適応等化装置及び受信装置
TW201038028A (en) * 2009-04-10 2010-10-16 Ralink Technology Corp Carrier recovery device and related method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1433619A (zh) * 1999-07-02 2003-07-30 艾利森电话股份有限公司 带有直流偏移补偿的均衡
CN1385018A (zh) * 1999-10-29 2002-12-11 艾利森电话股份有限公司 使用两级直流偏移校正、同步和信道估计的无线接收机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LI Yuan-jie等.Semi-blind MIMO channel identification based on erroradjustment.NEURAL NETWORKS AND SIGNAL PROCESSING2.2003,21429～1432. *

Also Published As

Publication number Publication date
KR101004988B1 (ko) 2011-01-04
KR20070070168A (ko) 2007-07-03
EP1784960A1 (en) 2007-05-16
US20080192862A1 (en) 2008-08-14
WO2006024817A1 (en) 2006-03-09
GB0419487D0 (en) 2004-10-06
TWI321933B (en) 2010-03-11
CN101010921A (zh) 2007-08-01
US8139627B2 (en) 2012-03-20
TW200620918A (en) 2006-06-16

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Effective date of registration: 20090327

Address after: Cayman Islands, Grand Cayman

Applicant after: Cayman Morningstar Semiconductor

Co-applicant after: MSTAR FRANCE S.A.S.

Co-applicant after: Mstar Semiconductor,Inc.

Co-applicant after: MSTAR SEMICONDUCTOR Inc.

Address before: Cayman Islands Grand Cayman

Applicant before: Cayman Morningstar Semiconductor

Effective date of registration: 20090327

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Applicant after: Cayman Morningstar Semiconductor

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Granted publication date: 20120321

Termination date: 20190815